1 /*
   2  * Copyright (c) 1997, 2026, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_MACROASSEMBLER_X86_HPP
  26 #define CPU_X86_MACROASSEMBLER_X86_HPP
  27 
  28 #include "asm/assembler.hpp"
  29 #include "asm/register.hpp"
  30 #include "code/vmreg.inline.hpp"
  31 #include "compiler/oopMap.hpp"
  32 #include "utilities/macros.hpp"
  33 #include "runtime/signature.hpp"
  34 #include "runtime/vm_version.hpp"
  35 #include "utilities/checkedCast.hpp"
  36 
  37 class ciInlineKlass;
  38 
  39 // MacroAssembler extends Assembler by frequently used macros.
  40 //
  41 // Instructions for which a 'better' code sequence exists depending
  42 // on arguments should also go in here.
  43 
  44 class MacroAssembler: public Assembler {
  45   friend class LIR_Assembler;
  46   friend class Runtime1;      // as_Address()
  47 
  48  public:
  49   // Support for VM calls
  50   //
  51   // This is the base routine called by the different versions of call_VM_leaf. The interpreter
  52   // may customize this version by overriding it for its purposes (e.g., to save/restore
  53   // additional registers when doing a VM call).
  54 
  55   virtual void call_VM_leaf_base(
  56     address entry_point,               // the entry point
  57     int     number_of_arguments        // the number of arguments to pop after the call
  58   );
  59 
  60  protected:
  61   // This is the base routine called by the different versions of call_VM. The interpreter
  62   // may customize this version by overriding it for its purposes (e.g., to save/restore
  63   // additional registers when doing a VM call).
  64   //
  65   // call_VM_base returns the register which contains the thread upon return.
  66   // If no last_java_sp is specified (noreg) than rsp will be used instead.
  67   virtual void call_VM_base(           // returns the register containing the thread upon return
  68     Register oop_result,               // where an oop-result ends up if any; use noreg otherwise
  69     Register last_java_sp,             // to set up last_Java_frame in stubs; use noreg otherwise
  70     address  entry_point,              // the entry point
  71     int      number_of_arguments,      // the number of arguments (w/o thread) to pop after the call
  72     bool     check_exceptions          // whether to check for pending exceptions after return
  73   );
  74 
  75   void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true);
  76 
  77  public:
  78   MacroAssembler(CodeBuffer* code) : Assembler(code) {}
  79 
  80  // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code.
  81  // The implementation is only non-empty for the InterpreterMacroAssembler,
  82  // as only the interpreter handles PopFrame and ForceEarlyReturn requests.
  83  virtual void check_and_handle_popframe();
  84  virtual void check_and_handle_earlyret();
  85 
  86   Address as_Address(AddressLiteral adr);
  87   Address as_Address(ArrayAddress adr, Register rscratch);
  88 
  89   // Support for null-checks
  90   //
  91   // Generates code that causes a null OS exception if the content of reg is null.
  92   // If the accessed location is M[reg + offset] and the offset is known, provide the
  93   // offset. No explicit code generation is needed if the offset is within a certain
  94   // range (0 <= offset <= page_size).
  95 
  96   void null_check(Register reg, int offset = -1);
  97   static bool needs_explicit_null_check(intptr_t offset);
  98   static bool uses_implicit_null_check(void* address);
  99 
 100   // markWord tests, kills markWord reg
 101   void test_markword_is_inline_type(Register markword, Label& is_inline_type);
 102 
 103   // inlineKlass queries, kills temp_reg
 104   void test_oop_is_not_inline_type(Register object, Register tmp, Label& not_inline_type, bool can_be_null = true);
 105 
 106   void test_field_is_null_free_inline_type(Register flags, Register temp_reg, Label& is_null_free);
 107   void test_field_is_not_null_free_inline_type(Register flags, Register temp_reg, Label& not_null_free);
 108   void test_field_is_flat(Register flags, Register temp_reg, Label& is_flat);
 109 
 110   // Check oops for special arrays, i.e. flat arrays and/or null-free arrays
 111   void test_oop_prototype_bit(Register oop, Register temp_reg, int32_t test_bit, bool jmp_set, Label& jmp_label);
 112   void test_flat_array_oop(Register oop, Register temp_reg, Label& is_flat_array);
 113   void test_non_flat_array_oop(Register oop, Register temp_reg, Label& is_non_flat_array);
 114   void test_null_free_array_oop(Register oop, Register temp_reg, Label& is_null_free_array);
 115   void test_non_null_free_array_oop(Register oop, Register temp_reg, Label& is_non_null_free_array);
 116 
 117   // Check array klass layout helper for flat or null-free arrays...
 118   void test_flat_array_layout(Register lh, Label& is_flat_array);
 119 
 120   // Required platform-specific helpers for Label::patch_instructions.
 121   // They _shadow_ the declarations in AbstractAssembler, which are undefined.
 122   void pd_patch_instruction(address branch, address target, const char* file, int line) {
 123     unsigned char op = branch[0];
 124     assert(op == 0xE8 /* call */ ||
 125         op == 0xE9 /* jmp */ ||
 126         op == 0xEB /* short jmp */ ||
 127         (op & 0xF0) == 0x70 /* short jcc */ ||
 128         (op == 0x0F && (branch[1] & 0xF0) == 0x80) /* jcc */ ||
 129         (op == 0xC7 && branch[1] == 0xF8) /* xbegin */ ||
 130         (op == 0x8D) /* lea */,
 131         "Invalid opcode at patch point");
 132 
 133     if (op == 0xEB || (op & 0xF0) == 0x70) {
 134       // short offset operators (jmp and jcc)
 135       char* disp = (char*) &branch[1];
 136       int imm8 = checked_cast<int>(target - (address) &disp[1]);
 137       guarantee(this->is8bit(imm8), "Short forward jump exceeds 8-bit offset at %s:%d",
 138                 file == nullptr ? "<null>" : file, line);
 139       *disp = (char)imm8;
 140     } else {
 141       int* disp = (int*) &branch[(op == 0x0F || op == 0xC7 || op == 0x8D) ? 2 : 1];
 142       int imm32 = checked_cast<int>(target - (address) &disp[1]);
 143       *disp = imm32;
 144     }
 145   }
 146 
 147   // The following 4 methods return the offset of the appropriate move instruction
 148 
 149   // Support for fast byte/short loading with zero extension (depending on particular CPU)
 150   int load_unsigned_byte(Register dst, Address src);
 151   int load_unsigned_short(Register dst, Address src);
 152 
 153   // Support for fast byte/short loading with sign extension (depending on particular CPU)
 154   int load_signed_byte(Register dst, Address src);
 155   int load_signed_short(Register dst, Address src);
 156 
 157   // Support for sign-extension (hi:lo = extend_sign(lo))
 158   void extend_sign(Register hi, Register lo);
 159 
 160   // Load and store values by size and signed-ness
 161   void load_sized_value(Register dst, Address src, size_t size_in_bytes, bool is_signed, Register dst2 = noreg);
 162   void store_sized_value(Address dst, Register src, size_t size_in_bytes, Register src2 = noreg);
 163 
 164   // Support for inc/dec with optimal instruction selection depending on value
 165 
 166   void increment(Register reg, int value = 1) { incrementq(reg, value); }
 167   void decrement(Register reg, int value = 1) { decrementq(reg, value); }
 168   void increment(Address dst, int value = 1)  { incrementq(dst, value); }
 169   void decrement(Address dst, int value = 1)  { decrementq(dst, value); }
 170 
 171   void decrementl(Address dst, int value = 1);
 172   void decrementl(Register reg, int value = 1);
 173 
 174   void decrementq(Register reg, int value = 1);
 175   void decrementq(Address dst, int value = 1);
 176 
 177   void incrementl(Address dst, int value = 1);
 178   void incrementl(Register reg, int value = 1);
 179 
 180   void incrementq(Register reg, int value = 1);
 181   void incrementq(Address dst, int value = 1);
 182 
 183   void incrementl(AddressLiteral dst, Register rscratch = noreg);
 184   void incrementl(ArrayAddress   dst, Register rscratch);
 185 
 186   void incrementq(AddressLiteral dst, Register rscratch = noreg);
 187 
 188   void movhlf(XMMRegister dst, XMMRegister src, Register rscratch = noreg);
 189 
 190   // Support optimal SSE move instructions.
 191   void movflt(XMMRegister dst, XMMRegister src) {
 192     if (dst-> encoding() == src->encoding()) return;
 193     if (UseXmmRegToRegMoveAll) { movaps(dst, src); return; }
 194     else                       { movss (dst, src); return; }
 195   }
 196   void movflt(XMMRegister dst, Address src) { movss(dst, src); }
 197   void movflt(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
 198   void movflt(Address dst, XMMRegister src) { movss(dst, src); }
 199 
 200   // Move with zero extension
 201   void movfltz(XMMRegister dst, XMMRegister src) { movss(dst, src); }
 202 
 203   void movdbl(XMMRegister dst, XMMRegister src) {
 204     if (dst-> encoding() == src->encoding()) return;
 205     if (UseXmmRegToRegMoveAll) { movapd(dst, src); return; }
 206     else                       { movsd (dst, src); return; }
 207   }
 208 
 209   void movdbl(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
 210 
 211   void movdbl(XMMRegister dst, Address src) {
 212     if (UseXmmLoadAndClearUpper) { movsd (dst, src); return; }
 213     else                         { movlpd(dst, src); return; }
 214   }
 215   void movdbl(Address dst, XMMRegister src) { movsd(dst, src); }
 216 
 217   void flt_to_flt16(Register dst, XMMRegister src, XMMRegister tmp) {
 218     // Use separate tmp XMM register because caller may
 219     // requires src XMM register to be unchanged (as in x86.ad).
 220     vcvtps2ph(tmp, src, 0x04, Assembler::AVX_128bit);
 221     movdl(dst, tmp);
 222     movswl(dst, dst);
 223   }
 224 
 225   void flt16_to_flt(XMMRegister dst, Register src) {
 226     movdl(dst, src);
 227     vcvtph2ps(dst, dst, Assembler::AVX_128bit);
 228   }
 229 
 230   // Alignment
 231   void align32();
 232   void align64();
 233   void align(uint modulus);
 234   void align(uint modulus, uint target);
 235 
 236   void post_call_nop();
 237 
 238   // Stack frame creation/removal
 239   void enter();
 240   void leave();
 241 
 242   // Support for getting the JavaThread pointer (i.e.; a reference to thread-local information).
 243   // The pointer will be loaded into the thread register. This is a slow version that does native call.
 244   // Normally, JavaThread pointer is available in r15_thread, use that where possible.
 245   void get_thread_slow(Register thread);
 246 
 247   // Support for argument shuffling
 248 
 249   // bias in bytes
 250   void move32_64(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 251   void long_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 252   void float_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 253   void double_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 254   void move_ptr(VMRegPair src, VMRegPair dst);
 255   void object_move(OopMap* map,
 256                    int oop_handle_offset,
 257                    int framesize_in_slots,
 258                    VMRegPair src,
 259                    VMRegPair dst,
 260                    bool is_receiver,
 261                    int* receiver_offset);
 262 
 263   // Support for VM calls
 264   //
 265   // It is imperative that all calls into the VM are handled via the call_VM macros.
 266   // They make sure that the stack linkage is setup correctly. call_VM's correspond
 267   // to ENTRY/ENTRY_X entry points while call_VM_leaf's correspond to LEAF entry points.
 268 
 269 
 270   void call_VM(Register oop_result,
 271                address entry_point,
 272                bool check_exceptions = true);
 273   void call_VM(Register oop_result,
 274                address entry_point,
 275                Register arg_1,
 276                bool check_exceptions = true);
 277   void call_VM(Register oop_result,
 278                address entry_point,
 279                Register arg_1, Register arg_2,
 280                bool check_exceptions = true);
 281   void call_VM(Register oop_result,
 282                address entry_point,
 283                Register arg_1, Register arg_2, Register arg_3,
 284                bool check_exceptions = true);
 285 
 286   // Overloadings with last_Java_sp
 287   void call_VM(Register oop_result,
 288                Register last_java_sp,
 289                address entry_point,
 290                int number_of_arguments = 0,
 291                bool check_exceptions = true);
 292   void call_VM(Register oop_result,
 293                Register last_java_sp,
 294                address entry_point,
 295                Register arg_1, bool
 296                check_exceptions = true);
 297   void call_VM(Register oop_result,
 298                Register last_java_sp,
 299                address entry_point,
 300                Register arg_1, Register arg_2,
 301                bool check_exceptions = true);
 302   void call_VM(Register oop_result,
 303                Register last_java_sp,
 304                address entry_point,
 305                Register arg_1, Register arg_2, Register arg_3,
 306                bool check_exceptions = true);
 307 
 308   void get_vm_result_oop(Register oop_result);
 309   void get_vm_result_metadata(Register metadata_result);
 310 
 311   // These always tightly bind to MacroAssembler::call_VM_base
 312   // bypassing the virtual implementation
 313   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, int number_of_arguments = 0, bool check_exceptions = true);
 314   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true);
 315   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true);
 316   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true);
 317   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4, bool check_exceptions = true);
 318 
 319   void call_VM_leaf0(address entry_point);
 320   void call_VM_leaf(address entry_point,
 321                     int number_of_arguments = 0);
 322   void call_VM_leaf(address entry_point,
 323                     Register arg_1);
 324   void call_VM_leaf(address entry_point,
 325                     Register arg_1, Register arg_2);
 326   void call_VM_leaf(address entry_point,
 327                     Register arg_1, Register arg_2, Register arg_3);
 328 
 329   void call_VM_leaf(address entry_point,
 330                     Register arg_1, Register arg_2, Register arg_3, Register arg_4);
 331 
 332   // These always tightly bind to MacroAssembler::call_VM_leaf_base
 333   // bypassing the virtual implementation
 334   void super_call_VM_leaf(address entry_point);
 335   void super_call_VM_leaf(address entry_point, Register arg_1);
 336   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
 337   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3);
 338   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4);
 339 
 340   void set_last_Java_frame(Register last_java_sp,
 341                            Register last_java_fp,
 342                            address  last_java_pc,
 343                            Register rscratch);
 344 
 345   void set_last_Java_frame(Register last_java_sp,
 346                            Register last_java_fp,
 347                            Label &last_java_pc,
 348                            Register scratch);
 349 
 350   void reset_last_Java_frame(bool clear_fp);
 351 
 352   // jobjects
 353   void clear_jobject_tag(Register possibly_non_local);
 354   void resolve_jobject(Register value, Register tmp);
 355   void resolve_global_jobject(Register value, Register tmp);
 356 
 357   // C 'boolean' to Java boolean: x == 0 ? 0 : 1
 358   void c2bool(Register x);
 359 
 360   // C++ bool manipulation
 361 
 362   void movbool(Register dst, Address src);
 363   void movbool(Address dst, bool boolconst);
 364   void movbool(Address dst, Register src);
 365   void testbool(Register dst);
 366 
 367   void resolve_oop_handle(Register result, Register tmp);
 368   void resolve_weak_handle(Register result, Register tmp);
 369   void load_mirror(Register mirror, Register method, Register tmp);
 370   void load_method_holder_cld(Register rresult, Register rmethod);
 371 
 372   void load_method_holder(Register holder, Register method);
 373 
 374   // oop manipulations
 375 
 376   // Load oopDesc._metadata without decode (useful for direct Klass* compare from oops)
 377   void load_metadata(Register dst, Register src);
 378   void load_narrow_klass_compact(Register dst, Register src);
 379   void load_narrow_klass(Register dst, Register src);
 380   void load_klass(Register dst, Register src, Register tmp);
 381   void store_klass(Register dst, Register src, Register tmp);
 382 
 383   // Compares the narrow Klass pointer of an object to a given narrow Klass.
 384   void cmp_klass(Register klass, Register obj, Register tmp);
 385 
 386   // Compares the Klass pointer of two objects obj1 and obj2. Result is in the condition flags.
 387   // Uses tmp1 and tmp2 as temporary registers.
 388   void cmp_klasses_from_objects(Register obj1, Register obj2, Register tmp1, Register tmp2);
 389 
 390   void access_load_at(BasicType type, DecoratorSet decorators, Register dst, Address src,
 391                       Register tmp1);
 392   void access_store_at(BasicType type, DecoratorSet decorators, Address dst, Register val,
 393                        Register tmp1, Register tmp2, Register tmp3);
 394 
 395   void flat_field_copy(DecoratorSet decorators, Register src, Register dst, Register inline_layout_info);
 396 
 397   // inline type data payload offsets...
 398   void payload_offset(Register inline_klass, Register offset);
 399   void payload_addr(Register oop, Register data, Register inline_klass);
 400 
 401   void load_heap_oop(Register dst, Address src, Register tmp1 = noreg, DecoratorSet decorators = 0);
 402   void load_heap_oop_not_null(Register dst, Address src, Register tmp1 = noreg, DecoratorSet decorators = 0);
 403   void store_heap_oop(Address dst, Register val, Register tmp1 = noreg,
 404                       Register tmp2 = noreg, Register tmp3 = noreg, DecoratorSet decorators = 0);
 405 
 406   // Used for storing null. All other oop constants should be
 407   // stored using routines that take a jobject.
 408   void store_heap_oop_null(Address dst);
 409 
 410   void load_prototype_header(Register dst, Register src, Register tmp);
 411 
 412   void store_klass_gap(Register dst, Register src);
 413 
 414   // This dummy is to prevent a call to store_heap_oop from
 415   // converting a zero (like null) into a Register by giving
 416   // the compiler two choices it can't resolve
 417 
 418   void store_heap_oop(Address dst, void* dummy);
 419 
 420   void encode_heap_oop(Register r);
 421   void decode_heap_oop(Register r);
 422   void encode_heap_oop_not_null(Register r);
 423   void decode_heap_oop_not_null(Register r);
 424   void encode_heap_oop_not_null(Register dst, Register src);
 425   void decode_heap_oop_not_null(Register dst, Register src);
 426 
 427   void set_narrow_oop(Register dst, jobject obj);
 428   void set_narrow_oop(Address dst, jobject obj);
 429   void cmp_narrow_oop(Register dst, jobject obj);
 430   void cmp_narrow_oop(Address dst, jobject obj);
 431 
 432   void encode_klass_not_null(Register r, Register tmp);
 433   void decode_klass_not_null(Register r, Register tmp);
 434   void encode_and_move_klass_not_null(Register dst, Register src);
 435   void decode_and_move_klass_not_null(Register dst, Register src);
 436   void set_narrow_klass(Register dst, Klass* k);
 437   void set_narrow_klass(Address dst, Klass* k);
 438   void cmp_narrow_klass(Register dst, Klass* k);
 439   void cmp_narrow_klass(Address dst, Klass* k);
 440 
 441   // if heap base register is used - reinit it with the correct value
 442   void reinit_heapbase();
 443 
 444   DEBUG_ONLY(void verify_heapbase(const char* msg);)
 445 
 446   // Int division/remainder for Java
 447   // (as idivl, but checks for special case as described in JVM spec.)
 448   // returns idivl instruction offset for implicit exception handling
 449   int corrected_idivl(Register reg);
 450 
 451   // Long division/remainder for Java
 452   // (as idivq, but checks for special case as described in JVM spec.)
 453   // returns idivq instruction offset for implicit exception handling
 454   int corrected_idivq(Register reg);
 455 
 456   void int3();
 457 
 458   // Long operation macros for a 32bit cpu
 459   // Long negation for Java
 460   void lneg(Register hi, Register lo);
 461 
 462   // Long multiplication for Java
 463   // (destroys contents of eax, ebx, ecx and edx)
 464   void lmul(int x_rsp_offset, int y_rsp_offset); // rdx:rax = x * y
 465 
 466   // Long shifts for Java
 467   // (semantics as described in JVM spec.)
 468   void lshl(Register hi, Register lo);                               // hi:lo << (rcx & 0x3f)
 469   void lshr(Register hi, Register lo, bool sign_extension = false);  // hi:lo >> (rcx & 0x3f)
 470 
 471   // Long compare for Java
 472   // (semantics as described in JVM spec.)
 473   void lcmp2int(Register x_hi, Register x_lo, Register y_hi, Register y_lo); // x_hi = lcmp(x, y)
 474 
 475 
 476   // misc
 477 
 478   // Sign extension
 479   void sign_extend_short(Register reg);
 480   void sign_extend_byte(Register reg);
 481 
 482   // Clean up a subword typed value to the representation in compliance with JVMS ยง2.3
 483   void narrow_subword_type(Register reg, BasicType bt);
 484 
 485   // Division by power of 2, rounding towards 0
 486   void division_with_shift(Register reg, int shift_value);
 487 
 488   // dst = c = a * b + c
 489   void fmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
 490   void fmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
 491 
 492   void vfmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
 493   void vfmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
 494   void vfmad(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
 495   void vfmaf(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
 496 
 497 
 498   // same as fcmp2int, but using SSE2
 499   void cmpss2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
 500   void cmpsd2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
 501 
 502   void push_IU_state();
 503   void pop_IU_state();
 504 
 505   void push_FPU_state();
 506   void pop_FPU_state();
 507 
 508   void push_CPU_state();
 509   void pop_CPU_state();
 510 
 511   void push_cont_fastpath();
 512   void pop_cont_fastpath();
 513 
 514   DEBUG_ONLY(void stop_if_in_cont(Register cont_reg, const char* name);)
 515 
 516   // Round up to a power of two
 517   void round_to(Register reg, int modulus);
 518 
 519 private:
 520   // General purpose and XMM registers potentially clobbered by native code; there
 521   // is no need for FPU or AVX opmask related methods because C1/interpreter
 522   // - we save/restore FPU state as a whole always
 523   // - do not care about AVX-512 opmask
 524   static RegSet call_clobbered_gp_registers();
 525   static XMMRegSet call_clobbered_xmm_registers();
 526 
 527   void push_set(XMMRegSet set, int offset);
 528   void pop_set(XMMRegSet set, int offset);
 529 
 530 public:
 531   void push_set(RegSet set, int offset = -1);
 532   void pop_set(RegSet set, int offset = -1);
 533 
 534   // Push and pop everything that might be clobbered by a native
 535   // runtime call.
 536   // Only save the lower 64 bits of each vector register.
 537   // Additional registers can be excluded in a passed RegSet.
 538   void push_call_clobbered_registers_except(RegSet exclude, bool save_fpu = true);
 539   void pop_call_clobbered_registers_except(RegSet exclude, bool restore_fpu = true);
 540 
 541   void push_call_clobbered_registers(bool save_fpu = true) {
 542     push_call_clobbered_registers_except(RegSet(), save_fpu);
 543   }
 544   void pop_call_clobbered_registers(bool restore_fpu = true) {
 545     pop_call_clobbered_registers_except(RegSet(), restore_fpu);
 546   }
 547 
 548   // allocation
 549   void tlab_allocate(
 550     Register obj,                      // result: pointer to object after successful allocation
 551     Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
 552     int      con_size_in_bytes,        // object size in bytes if   known at compile time
 553     Register t1,                       // temp register
 554     Register t2,                       // temp register
 555     Label&   slow_case                 // continuation point if fast allocation fails
 556   );
 557   void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp);
 558 
 559   void inline_layout_info(Register klass, Register index, Register layout_info);
 560 
 561   void population_count(Register dst, Register src, Register scratch1, Register scratch2);
 562 
 563   // interface method calling
 564   void lookup_interface_method(Register recv_klass,
 565                                Register intf_klass,
 566                                RegisterOrConstant itable_index,
 567                                Register method_result,
 568                                Register scan_temp,
 569                                Label& no_such_interface,
 570                                bool return_method = true);
 571 
 572   void lookup_interface_method_stub(Register recv_klass,
 573                                     Register holder_klass,
 574                                     Register resolved_klass,
 575                                     Register method_result,
 576                                     Register scan_temp,
 577                                     Register temp_reg2,
 578                                     Register receiver,
 579                                     int itable_index,
 580                                     Label& L_no_such_interface);
 581 
 582   // virtual method calling
 583   void lookup_virtual_method(Register recv_klass,
 584                              RegisterOrConstant vtable_index,
 585                              Register method_result);
 586 
 587   // Test sub_klass against super_klass, with fast and slow paths.
 588 
 589   // The fast path produces a tri-state answer: yes / no / maybe-slow.
 590   // One of the three labels can be null, meaning take the fall-through.
 591   // If super_check_offset is -1, the value is loaded up from super_klass.
 592   // No registers are killed, except temp_reg.
 593   void check_klass_subtype_fast_path(Register sub_klass,
 594                                      Register super_klass,
 595                                      Register temp_reg,
 596                                      Label* L_success,
 597                                      Label* L_failure,
 598                                      Label* L_slow_path,
 599                 RegisterOrConstant super_check_offset = RegisterOrConstant(-1));
 600 
 601   // The rest of the type check; must be wired to a corresponding fast path.
 602   // It does not repeat the fast path logic, so don't use it standalone.
 603   // The temp_reg and temp2_reg can be noreg, if no temps are available.
 604   // Updates the sub's secondary super cache as necessary.
 605   // If set_cond_codes, condition codes will be Z on success, NZ on failure.
 606   void check_klass_subtype_slow_path(Register sub_klass,
 607                                      Register super_klass,
 608                                      Register temp_reg,
 609                                      Register temp2_reg,
 610                                      Label* L_success,
 611                                      Label* L_failure,
 612                                      bool set_cond_codes = false);
 613 
 614   // The 64-bit version, which may do a hashed subclass lookup.
 615   void check_klass_subtype_slow_path(Register sub_klass,
 616                                      Register super_klass,
 617                                      Register temp_reg,
 618                                      Register temp2_reg,
 619                                      Register temp3_reg,
 620                                      Register temp4_reg,
 621                                      Label* L_success,
 622                                      Label* L_failure);
 623 
 624   // Three parts of a hashed subclass lookup: a simple linear search,
 625   // a table lookup, and a fallback that does linear probing in the
 626   // event of a hash collision.
 627   void check_klass_subtype_slow_path_linear(Register sub_klass,
 628                                             Register super_klass,
 629                                             Register temp_reg,
 630                                             Register temp2_reg,
 631                                             Label* L_success,
 632                                             Label* L_failure,
 633                                             bool set_cond_codes = false);
 634   void check_klass_subtype_slow_path_table(Register sub_klass,
 635                                            Register super_klass,
 636                                            Register temp_reg,
 637                                            Register temp2_reg,
 638                                            Register temp3_reg,
 639                                            Register result_reg,
 640                                            Label* L_success,
 641                                            Label* L_failure);
 642   void hashed_check_klass_subtype_slow_path(Register sub_klass,
 643                                             Register super_klass,
 644                                             Register temp_reg,
 645                                             Label* L_success,
 646                                             Label* L_failure);
 647 
 648   // As above, but with a constant super_klass.
 649   // The result is in Register result, not the condition codes.
 650   void lookup_secondary_supers_table_const(Register sub_klass,
 651                                            Register super_klass,
 652                                            Register temp1,
 653                                            Register temp2,
 654                                            Register temp3,
 655                                            Register temp4,
 656                                            Register result,
 657                                            u1 super_klass_slot);
 658 
 659   using Assembler::salq;
 660   void salq(Register dest, Register count);
 661   using Assembler::rorq;
 662   void rorq(Register dest, Register count);
 663   void lookup_secondary_supers_table_var(Register sub_klass,
 664                                          Register super_klass,
 665                                          Register temp1,
 666                                          Register temp2,
 667                                          Register temp3,
 668                                          Register temp4,
 669                                          Register result);
 670 
 671   void lookup_secondary_supers_table_slow_path(Register r_super_klass,
 672                                                Register r_array_base,
 673                                                Register r_array_index,
 674                                                Register r_bitmap,
 675                                                Register temp1,
 676                                                Register temp2,
 677                                                Label* L_success,
 678                                                Label* L_failure = nullptr);
 679 
 680   void verify_secondary_supers_table(Register r_sub_klass,
 681                                      Register r_super_klass,
 682                                      Register expected,
 683                                      Register temp1,
 684                                      Register temp2,
 685                                      Register temp3);
 686 
 687   void repne_scanq(Register addr, Register value, Register count, Register limit,
 688                    Label* L_success,
 689                    Label* L_failure = nullptr);
 690 
 691   // If r is valid, return r.
 692   // If r is invalid, remove a register r2 from available_regs, add r2
 693   // to regs_to_push, then return r2.
 694   Register allocate_if_noreg(const Register r,
 695                              RegSetIterator<Register> &available_regs,
 696                              RegSet &regs_to_push);
 697 
 698   // Simplified, combined version, good for typical uses.
 699   // Falls through on failure.
 700   void check_klass_subtype(Register sub_klass,
 701                            Register super_klass,
 702                            Register temp_reg,
 703                            Label& L_success);
 704 
 705   void clinit_barrier(Register klass,
 706                       Label* L_fast_path = nullptr,
 707                       Label* L_slow_path = nullptr);
 708 
 709   // method handles (JSR 292)
 710   Address argument_address(RegisterOrConstant arg_slot, int extra_slot_offset = 0);
 711 
 712   void profile_receiver_type(Register recv, Register mdp, int mdp_offset);
 713 
 714   // Debugging
 715 
 716   // only if +VerifyOops
 717   void _verify_oop(Register reg, const char* s, const char* file, int line);
 718   void _verify_oop_addr(Address addr, const char* s, const char* file, int line);
 719 
 720   void _verify_oop_checked(Register reg, const char* s, const char* file, int line) {
 721     if (VerifyOops) {
 722       _verify_oop(reg, s, file, line);
 723     }
 724   }
 725   void _verify_oop_addr_checked(Address reg, const char* s, const char* file, int line) {
 726     if (VerifyOops) {
 727       _verify_oop_addr(reg, s, file, line);
 728     }
 729   }
 730 
 731   // TODO: verify method and klass metadata (compare against vptr?)
 732   void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {}
 733   void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line){}
 734 
 735 #define verify_oop(reg) _verify_oop_checked(reg, "broken oop " #reg, __FILE__, __LINE__)
 736 #define verify_oop_msg(reg, msg) _verify_oop_checked(reg, "broken oop " #reg ", " #msg, __FILE__, __LINE__)
 737 #define verify_oop_addr(addr) _verify_oop_addr_checked(addr, "broken oop addr " #addr, __FILE__, __LINE__)
 738 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__)
 739 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__)
 740 
 741   // Verify or restore cpu control state after JNI call
 742   void restore_cpu_control_state_after_jni(Register rscratch);
 743 
 744   // prints msg, dumps registers and stops execution
 745   void stop(const char* msg);
 746 
 747   // prints msg and continues
 748   void warn(const char* msg);
 749 
 750   // dumps registers and other state
 751   void print_state();
 752 
 753   static void debug32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip, char* msg);
 754   static void debug64(char* msg, int64_t pc, int64_t regs[]);
 755   static void print_state32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip);
 756   static void print_state64(int64_t pc, int64_t regs[]);
 757 
 758   void os_breakpoint();
 759 
 760   void untested()                                { stop("untested"); }
 761 
 762   void unimplemented(const char* what = "");
 763 
 764   void should_not_reach_here()                   { stop("should not reach here"); }
 765 
 766   void print_CPU_state();
 767 
 768   // Stack overflow checking
 769   void bang_stack_with_offset(int offset) {
 770     // stack grows down, caller passes positive offset
 771     assert(offset > 0, "must bang with negative offset");
 772     movl(Address(rsp, (-offset)), rax);
 773   }
 774 
 775   // Writes to stack successive pages until offset reached to check for
 776   // stack overflow + shadow pages.  Also, clobbers tmp
 777   void bang_stack_size(Register size, Register tmp);
 778 
 779   // Check for reserved stack access in method being exited (for JIT)
 780   void reserved_stack_check();
 781 
 782   void safepoint_poll(Label& slow_path, bool at_return, bool in_nmethod);
 783 
 784   void verify_tlab();
 785 
 786   static Condition negate_condition(Condition cond);
 787 
 788   // Instructions that use AddressLiteral operands. These instruction can handle 32bit/64bit
 789   // operands. In general the names are modified to avoid hiding the instruction in Assembler
 790   // so that we don't need to implement all the varieties in the Assembler with trivial wrappers
 791   // here in MacroAssembler. The major exception to this rule is call
 792 
 793   // Arithmetics
 794 
 795 
 796   void addptr(Address dst, int32_t src) { addq(dst, src); }
 797   void addptr(Address dst, Register src);
 798 
 799   void addptr(Register dst, Address src) { addq(dst, src); }
 800   void addptr(Register dst, int32_t src);
 801   void addptr(Register dst, Register src);
 802   void addptr(Register dst, RegisterOrConstant src) {
 803     if (src.is_constant()) addptr(dst, checked_cast<int>(src.as_constant()));
 804     else                   addptr(dst, src.as_register());
 805   }
 806 
 807   void andptr(Register dst, int32_t src);
 808   void andptr(Register src1, Register src2) { andq(src1, src2); }
 809   void andptr(Register dst, Address src) { andq(dst, src); }
 810 
 811   using Assembler::andq;
 812   void andq(Register dst, AddressLiteral src, Register rscratch = noreg);
 813 
 814   void cmp8(AddressLiteral src1, int imm, Register rscratch = noreg);
 815 
 816   // renamed to drag out the casting of address to int32_t/intptr_t
 817   void cmp32(Register src1, int32_t imm);
 818 
 819   void cmp32(AddressLiteral src1, int32_t imm, Register rscratch = noreg);
 820   // compare reg - mem, or reg - &mem
 821   void cmp32(Register src1, AddressLiteral src2, Register rscratch = noreg);
 822 
 823   void cmp32(Register src1, Address src2);
 824 
 825   void cmpoop(Register src1, Register src2);
 826   void cmpoop(Register src1, Address src2);
 827   void cmpoop(Register dst, jobject obj, Register rscratch);
 828 
 829   // NOTE src2 must be the lval. This is NOT an mem-mem compare
 830   void cmpptr(Address src1, AddressLiteral src2, Register rscratch);
 831 
 832   void cmpptr(Register src1, AddressLiteral src2, Register rscratch = noreg);
 833 
 834   void cmpptr(Register src1, Register src2) { cmpq(src1, src2); }
 835   void cmpptr(Register src1, Address src2) { cmpq(src1, src2); }
 836 
 837   void cmpptr(Register src1, int32_t src2) { cmpq(src1, src2); }
 838   void cmpptr(Address src1, int32_t src2) { cmpq(src1, src2); }
 839 
 840   // cmp64 to avoild hiding cmpq
 841   void cmp64(Register src1, AddressLiteral src, Register rscratch = noreg);
 842 
 843   void cmpxchgptr(Register reg, Address adr);
 844 
 845   void locked_cmpxchgptr(Register reg, AddressLiteral adr, Register rscratch = noreg);
 846 
 847   void imulptr(Register dst, Register src) { imulq(dst, src); }
 848   void imulptr(Register dst, Register src, int imm32) { imulq(dst, src, imm32); }
 849 
 850 
 851   void negptr(Register dst) { negq(dst); }
 852 
 853   void notptr(Register dst) { notq(dst); }
 854 
 855   void shlptr(Register dst, int32_t shift);
 856   void shlptr(Register dst) { shlq(dst); }
 857 
 858   void shrptr(Register dst, int32_t shift);
 859   void shrptr(Register dst) { shrq(dst); }
 860 
 861   void sarptr(Register dst) { sarq(dst); }
 862   void sarptr(Register dst, int32_t src) { sarq(dst, src); }
 863 
 864   void subptr(Address dst, int32_t src) { subq(dst, src); }
 865 
 866   void subptr(Register dst, Address src) { subq(dst, src); }
 867   void subptr(Register dst, int32_t src);
 868   // Force generation of a 4 byte immediate value even if it fits into 8bit
 869   void subptr_imm32(Register dst, int32_t src);
 870   void subptr(Register dst, Register src);
 871   void subptr(Register dst, RegisterOrConstant src) {
 872     if (src.is_constant()) subptr(dst, (int) src.as_constant());
 873     else                   subptr(dst,       src.as_register());
 874   }
 875 
 876   void sbbptr(Address dst, int32_t src) { sbbq(dst, src); }
 877   void sbbptr(Register dst, int32_t src) { sbbq(dst, src); }
 878 
 879   void xchgptr(Register src1, Register src2) { xchgq(src1, src2); }
 880   void xchgptr(Register src1, Address src2) { xchgq(src1, src2); }
 881 
 882   void xaddptr(Address src1, Register src2) { xaddq(src1, src2); }
 883 
 884 
 885 
 886   // Helper functions for statistics gathering.
 887   // Conditionally (atomically, on MPs) increments passed counter address, preserving condition codes.
 888   void cond_inc32(Condition cond, AddressLiteral counter_addr, Register rscratch = noreg);
 889   // Unconditional atomic increment.
 890   void atomic_incl(Address counter_addr);
 891   void atomic_incl(AddressLiteral counter_addr, Register rscratch = noreg);
 892   void atomic_incq(Address counter_addr);
 893   void atomic_incq(AddressLiteral counter_addr, Register rscratch = noreg);
 894   void atomic_incptr(AddressLiteral counter_addr, Register rscratch = noreg) { atomic_incq(counter_addr, rscratch); }
 895   void atomic_incptr(Address counter_addr) { atomic_incq(counter_addr); }
 896 
 897   using Assembler::lea;
 898   void lea(Register dst, AddressLiteral adr);
 899   void lea(Address  dst, AddressLiteral adr, Register rscratch);
 900 
 901   void leal32(Register dst, Address src) { leal(dst, src); }
 902 
 903   // Import other testl() methods from the parent class or else
 904   // they will be hidden by the following overriding declaration.
 905   using Assembler::testl;
 906   void testl(Address dst, int32_t imm32);
 907   void testl(Register dst, int32_t imm32);
 908   void testl(Register dst, AddressLiteral src); // requires reachable address
 909   using Assembler::testq;
 910   void testq(Address dst, int32_t imm32);
 911   void testq(Register dst, int32_t imm32);
 912 
 913   void orptr(Register dst, Address src) { orq(dst, src); }
 914   void orptr(Register dst, Register src) { orq(dst, src); }
 915   void orptr(Register dst, int32_t src) { orq(dst, src); }
 916   void orptr(Address dst, int32_t imm32) { orq(dst, imm32); }
 917 
 918   void testptr(Register src, int32_t imm32) { testq(src, imm32); }
 919   void testptr(Register src1, Address src2) { testq(src1, src2); }
 920   void testptr(Address src, int32_t imm32) { testq(src, imm32); }
 921   void testptr(Register src1, Register src2);
 922 
 923   void xorptr(Register dst, Register src) { xorq(dst, src); }
 924   void xorptr(Register dst, Address src) { xorq(dst, src); }
 925 
 926   // Calls
 927 
 928   void call(Label& L, relocInfo::relocType rtype);
 929   void call(Register entry);
 930   void call(Address addr) { Assembler::call(addr); }
 931 
 932   // NOTE: this call transfers to the effective address of entry NOT
 933   // the address contained by entry. This is because this is more natural
 934   // for jumps/calls.
 935   void call(AddressLiteral entry, Register rscratch = rax);
 936 
 937   // Emit the CompiledIC call idiom
 938   void ic_call(address entry, jint method_index = 0);
 939   static int ic_check_size();
 940   int ic_check(int end_alignment);
 941 
 942   void emit_static_call_stub();
 943 
 944   // Jumps
 945 
 946   // NOTE: these jumps transfer to the effective address of dst NOT
 947   // the address contained by dst. This is because this is more natural
 948   // for jumps/calls.
 949   void jump(AddressLiteral dst, Register rscratch = noreg);
 950 
 951   void jump_cc(Condition cc, AddressLiteral dst, Register rscratch = noreg);
 952 
 953   // 32bit can do a case table jump in one instruction but we no longer allow the base
 954   // to be installed in the Address class. This jump will transfer to the address
 955   // contained in the location described by entry (not the address of entry)
 956   void jump(ArrayAddress entry, Register rscratch);
 957 
 958   // Adding more natural conditional jump instructions
 959   void ALWAYSINLINE jo(Label& L, bool maybe_short = true) { jcc(Assembler::overflow, L, maybe_short); }
 960   void ALWAYSINLINE jno(Label& L, bool maybe_short = true) { jcc(Assembler::noOverflow, L, maybe_short); }
 961   void ALWAYSINLINE js(Label& L, bool maybe_short = true) { jcc(Assembler::negative, L, maybe_short); }
 962   void ALWAYSINLINE jns(Label& L, bool maybe_short = true) { jcc(Assembler::positive, L, maybe_short); }
 963   void ALWAYSINLINE je(Label& L, bool maybe_short = true) { jcc(Assembler::equal, L, maybe_short); }
 964   void ALWAYSINLINE jz(Label& L, bool maybe_short = true) { jcc(Assembler::zero, L, maybe_short); }
 965   void ALWAYSINLINE jne(Label& L, bool maybe_short = true) { jcc(Assembler::notEqual, L, maybe_short); }
 966   void ALWAYSINLINE jnz(Label& L, bool maybe_short = true) { jcc(Assembler::notZero, L, maybe_short); }
 967   void ALWAYSINLINE jb(Label& L, bool maybe_short = true) { jcc(Assembler::below, L, maybe_short); }
 968   void ALWAYSINLINE jnae(Label& L, bool maybe_short = true) { jcc(Assembler::below, L, maybe_short); }
 969   void ALWAYSINLINE jc(Label& L, bool maybe_short = true) { jcc(Assembler::carrySet, L, maybe_short); }
 970   void ALWAYSINLINE jnb(Label& L, bool maybe_short = true) { jcc(Assembler::aboveEqual, L, maybe_short); }
 971   void ALWAYSINLINE jae(Label& L, bool maybe_short = true) { jcc(Assembler::aboveEqual, L, maybe_short); }
 972   void ALWAYSINLINE jnc(Label& L, bool maybe_short = true) { jcc(Assembler::carryClear, L, maybe_short); }
 973   void ALWAYSINLINE jbe(Label& L, bool maybe_short = true) { jcc(Assembler::belowEqual, L, maybe_short); }
 974   void ALWAYSINLINE jna(Label& L, bool maybe_short = true) { jcc(Assembler::belowEqual, L, maybe_short); }
 975   void ALWAYSINLINE ja(Label& L, bool maybe_short = true) { jcc(Assembler::above, L, maybe_short); }
 976   void ALWAYSINLINE jnbe(Label& L, bool maybe_short = true) { jcc(Assembler::above, L, maybe_short); }
 977   void ALWAYSINLINE jl(Label& L, bool maybe_short = true) { jcc(Assembler::less, L, maybe_short); }
 978   void ALWAYSINLINE jnge(Label& L, bool maybe_short = true) { jcc(Assembler::less, L, maybe_short); }
 979   void ALWAYSINLINE jge(Label& L, bool maybe_short = true) { jcc(Assembler::greaterEqual, L, maybe_short); }
 980   void ALWAYSINLINE jnl(Label& L, bool maybe_short = true) { jcc(Assembler::greaterEqual, L, maybe_short); }
 981   void ALWAYSINLINE jle(Label& L, bool maybe_short = true) { jcc(Assembler::lessEqual, L, maybe_short); }
 982   void ALWAYSINLINE jng(Label& L, bool maybe_short = true) { jcc(Assembler::lessEqual, L, maybe_short); }
 983   void ALWAYSINLINE jg(Label& L, bool maybe_short = true) { jcc(Assembler::greater, L, maybe_short); }
 984   void ALWAYSINLINE jnle(Label& L, bool maybe_short = true) { jcc(Assembler::greater, L, maybe_short); }
 985   void ALWAYSINLINE jp(Label& L, bool maybe_short = true) { jcc(Assembler::parity, L, maybe_short); }
 986   void ALWAYSINLINE jpe(Label& L, bool maybe_short = true) { jcc(Assembler::parity, L, maybe_short); }
 987   void ALWAYSINLINE jnp(Label& L, bool maybe_short = true) { jcc(Assembler::noParity, L, maybe_short); }
 988   void ALWAYSINLINE jpo(Label& L, bool maybe_short = true) { jcc(Assembler::noParity, L, maybe_short); }
 989   // * No condition for this *  void ALWAYSINLINE jcxz(Label& L, bool maybe_short = true) { jcc(Assembler::cxz, L, maybe_short); }
 990   // * No condition for this *  void ALWAYSINLINE jecxz(Label& L, bool maybe_short = true) { jcc(Assembler::cxz, L, maybe_short); }
 991 
 992   // Short versions of the above
 993   void ALWAYSINLINE jo_b(Label& L) { jccb(Assembler::overflow, L); }
 994   void ALWAYSINLINE jno_b(Label& L) { jccb(Assembler::noOverflow, L); }
 995   void ALWAYSINLINE js_b(Label& L) { jccb(Assembler::negative, L); }
 996   void ALWAYSINLINE jns_b(Label& L) { jccb(Assembler::positive, L); }
 997   void ALWAYSINLINE je_b(Label& L) { jccb(Assembler::equal, L); }
 998   void ALWAYSINLINE jz_b(Label& L) { jccb(Assembler::zero, L); }
 999   void ALWAYSINLINE jne_b(Label& L) { jccb(Assembler::notEqual, L); }
1000   void ALWAYSINLINE jnz_b(Label& L) { jccb(Assembler::notZero, L); }
1001   void ALWAYSINLINE jb_b(Label& L) { jccb(Assembler::below, L); }
1002   void ALWAYSINLINE jnae_b(Label& L) { jccb(Assembler::below, L); }
1003   void ALWAYSINLINE jc_b(Label& L) { jccb(Assembler::carrySet, L); }
1004   void ALWAYSINLINE jnb_b(Label& L) { jccb(Assembler::aboveEqual, L); }
1005   void ALWAYSINLINE jae_b(Label& L) { jccb(Assembler::aboveEqual, L); }
1006   void ALWAYSINLINE jnc_b(Label& L) { jccb(Assembler::carryClear, L); }
1007   void ALWAYSINLINE jbe_b(Label& L) { jccb(Assembler::belowEqual, L); }
1008   void ALWAYSINLINE jna_b(Label& L) { jccb(Assembler::belowEqual, L); }
1009   void ALWAYSINLINE ja_b(Label& L) { jccb(Assembler::above, L); }
1010   void ALWAYSINLINE jnbe_b(Label& L) { jccb(Assembler::above, L); }
1011   void ALWAYSINLINE jl_b(Label& L) { jccb(Assembler::less, L); }
1012   void ALWAYSINLINE jnge_b(Label& L) { jccb(Assembler::less, L); }
1013   void ALWAYSINLINE jge_b(Label& L) { jccb(Assembler::greaterEqual, L); }
1014   void ALWAYSINLINE jnl_b(Label& L) { jccb(Assembler::greaterEqual, L); }
1015   void ALWAYSINLINE jle_b(Label& L) { jccb(Assembler::lessEqual, L); }
1016   void ALWAYSINLINE jng_b(Label& L) { jccb(Assembler::lessEqual, L); }
1017   void ALWAYSINLINE jg_b(Label& L) { jccb(Assembler::greater, L); }
1018   void ALWAYSINLINE jnle_b(Label& L) { jccb(Assembler::greater, L); }
1019   void ALWAYSINLINE jp_b(Label& L) { jccb(Assembler::parity, L); }
1020   void ALWAYSINLINE jpe_b(Label& L) { jccb(Assembler::parity, L); }
1021   void ALWAYSINLINE jnp_b(Label& L) { jccb(Assembler::noParity, L); }
1022   void ALWAYSINLINE jpo_b(Label& L) { jccb(Assembler::noParity, L); }
1023   // * No condition for this *  void ALWAYSINLINE jcxz_b(Label& L) { jccb(Assembler::cxz, L); }
1024   // * No condition for this *  void ALWAYSINLINE jecxz_b(Label& L) { jccb(Assembler::cxz, L); }
1025 
1026   // Floating
1027 
1028   void push_f(XMMRegister r);
1029   void pop_f(XMMRegister r);
1030   void push_d(XMMRegister r);
1031   void pop_d(XMMRegister r);
1032 
1033   void push_ppx(Register src);
1034   void pop_ppx(Register dst);
1035 
1036   void andpd(XMMRegister dst, XMMRegister    src) { Assembler::andpd(dst, src); }
1037   void andpd(XMMRegister dst, Address        src) { Assembler::andpd(dst, src); }
1038   void andpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1039 
1040   void andnpd(XMMRegister dst, XMMRegister src) { Assembler::andnpd(dst, src); }
1041 
1042   void andps(XMMRegister dst, XMMRegister    src) { Assembler::andps(dst, src); }
1043   void andps(XMMRegister dst, Address        src) { Assembler::andps(dst, src); }
1044   void andps(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1045 
1046   void comiss(XMMRegister dst, XMMRegister    src) { Assembler::comiss(dst, src); }
1047   void comiss(XMMRegister dst, Address        src) { Assembler::comiss(dst, src); }
1048   void comiss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1049 
1050   void comisd(XMMRegister dst, XMMRegister    src) { Assembler::comisd(dst, src); }
1051   void comisd(XMMRegister dst, Address        src) { Assembler::comisd(dst, src); }
1052   void comisd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1053 
1054   void orpd(XMMRegister dst, XMMRegister src) { Assembler::orpd(dst, src); }
1055 
1056   void cmp32_mxcsr_std(Address mxcsr_save, Register tmp, Register rscratch = noreg);
1057   void ldmxcsr(Address src) { Assembler::ldmxcsr(src); }
1058   void ldmxcsr(AddressLiteral src, Register rscratch = noreg);
1059 
1060  private:
1061   void sha256_AVX2_one_round_compute(
1062     Register  reg_old_h,
1063     Register  reg_a,
1064     Register  reg_b,
1065     Register  reg_c,
1066     Register  reg_d,
1067     Register  reg_e,
1068     Register  reg_f,
1069     Register  reg_g,
1070     Register  reg_h,
1071     int iter);
1072   void sha256_AVX2_four_rounds_compute_first(int start);
1073   void sha256_AVX2_four_rounds_compute_last(int start);
1074   void sha256_AVX2_one_round_and_sched(
1075         XMMRegister xmm_0,     /* == ymm4 on 0, 1, 2, 3 iterations, then rotate 4 registers left on 4, 8, 12 iterations */
1076         XMMRegister xmm_1,     /* ymm5 */  /* full cycle is 16 iterations */
1077         XMMRegister xmm_2,     /* ymm6 */
1078         XMMRegister xmm_3,     /* ymm7 */
1079         Register    reg_a,      /* == eax on 0 iteration, then rotate 8 register right on each next iteration */
1080         Register    reg_b,      /* ebx */    /* full cycle is 8 iterations */
1081         Register    reg_c,      /* edi */
1082         Register    reg_d,      /* esi */
1083         Register    reg_e,      /* r8d */
1084         Register    reg_f,      /* r9d */
1085         Register    reg_g,      /* r10d */
1086         Register    reg_h,      /* r11d */
1087         int iter);
1088 
1089   void addm(int disp, Register r1, Register r2);
1090 
1091   void sha512_AVX2_one_round_compute(Register old_h, Register a, Register b, Register c, Register d,
1092                                      Register e, Register f, Register g, Register h, int iteration);
1093 
1094   void sha512_AVX2_one_round_and_schedule(XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1095                                           Register a, Register b, Register c, Register d, Register e, Register f,
1096                                           Register g, Register h, int iteration);
1097 
1098   void addmq(int disp, Register r1, Register r2);
1099  public:
1100   void sha256_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1101                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1102                    Register buf, Register state, Register ofs, Register limit, Register rsp,
1103                    bool multi_block, XMMRegister shuf_mask);
1104   void sha512_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1105                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1106                    Register buf, Register state, Register ofs, Register limit, Register rsp, bool multi_block,
1107                    XMMRegister shuf_mask);
1108   void sha512_update_ni_x1(Register arg_hash, Register arg_msg, Register ofs, Register limit, bool multi_block);
1109 
1110   void fast_md5(Register buf, Address state, Address ofs, Address limit,
1111                 bool multi_block);
1112 
1113   void fast_sha1(XMMRegister abcd, XMMRegister e0, XMMRegister e1, XMMRegister msg0,
1114                  XMMRegister msg1, XMMRegister msg2, XMMRegister msg3, XMMRegister shuf_mask,
1115                  Register buf, Register state, Register ofs, Register limit, Register rsp,
1116                  bool multi_block);
1117 
1118   void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1119                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1120                    Register buf, Register state, Register ofs, Register limit, Register rsp,
1121                    bool multi_block, XMMRegister shuf_mask);
1122 
1123   void fast_exp(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1124                 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1125                 Register rax, Register rcx, Register rdx, Register tmp);
1126 
1127 private:
1128 
1129   // these are private because users should be doing movflt/movdbl
1130 
1131   void movss(Address     dst, XMMRegister    src) { Assembler::movss(dst, src); }
1132   void movss(XMMRegister dst, XMMRegister    src) { Assembler::movss(dst, src); }
1133   void movss(XMMRegister dst, Address        src) { Assembler::movss(dst, src); }
1134   void movss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1135 
1136   void movlpd(XMMRegister dst, Address        src) {Assembler::movlpd(dst, src); }
1137   void movlpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1138 
1139 public:
1140 
1141   void addsd(XMMRegister dst, XMMRegister    src) { Assembler::addsd(dst, src); }
1142   void addsd(XMMRegister dst, Address        src) { Assembler::addsd(dst, src); }
1143   void addsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1144 
1145   void addss(XMMRegister dst, XMMRegister    src) { Assembler::addss(dst, src); }
1146   void addss(XMMRegister dst, Address        src) { Assembler::addss(dst, src); }
1147   void addss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1148 
1149   void addpd(XMMRegister dst, XMMRegister    src) { Assembler::addpd(dst, src); }
1150   void addpd(XMMRegister dst, Address        src) { Assembler::addpd(dst, src); }
1151   void addpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1152 
1153   using Assembler::vbroadcasti128;
1154   void vbroadcasti128(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1155 
1156   using Assembler::vbroadcastsd;
1157   void vbroadcastsd(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1158 
1159   using Assembler::vbroadcastss;
1160   void vbroadcastss(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1161 
1162   // Vector float blend
1163   void vblendvps(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister mask, int vector_len, bool compute_mask = true, XMMRegister scratch = xnoreg);
1164   void vblendvpd(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister mask, int vector_len, bool compute_mask = true, XMMRegister scratch = xnoreg);
1165 
1166   void divsd(XMMRegister dst, XMMRegister    src) { Assembler::divsd(dst, src); }
1167   void divsd(XMMRegister dst, Address        src) { Assembler::divsd(dst, src); }
1168   void divsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1169 
1170   void divss(XMMRegister dst, XMMRegister    src) { Assembler::divss(dst, src); }
1171   void divss(XMMRegister dst, Address        src) { Assembler::divss(dst, src); }
1172   void divss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1173 
1174   // Move Unaligned Double Quadword
1175   void movdqu(Address     dst, XMMRegister    src);
1176   void movdqu(XMMRegister dst, XMMRegister    src);
1177   void movdqu(XMMRegister dst, Address        src);
1178   void movdqu(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1179 
1180   void kmovwl(Register  dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1181   void kmovwl(Address   dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1182   void kmovwl(KRegister dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1183   void kmovwl(KRegister dst, Register       src) { Assembler::kmovwl(dst, src); }
1184   void kmovwl(KRegister dst, Address        src) { Assembler::kmovwl(dst, src); }
1185   void kmovwl(KRegister dst, AddressLiteral src, Register rscratch = noreg);
1186 
1187   void kmovql(KRegister dst, KRegister      src) { Assembler::kmovql(dst, src); }
1188   void kmovql(KRegister dst, Register       src) { Assembler::kmovql(dst, src); }
1189   void kmovql(Register  dst, KRegister      src) { Assembler::kmovql(dst, src); }
1190   void kmovql(KRegister dst, Address        src) { Assembler::kmovql(dst, src); }
1191   void kmovql(Address   dst, KRegister      src) { Assembler::kmovql(dst, src); }
1192   void kmovql(KRegister dst, AddressLiteral src, Register rscratch = noreg);
1193 
1194   // Safe move operation, lowers down to 16bit moves for targets supporting
1195   // AVX512F feature and 64bit moves for targets supporting AVX512BW feature.
1196   void kmov(Address  dst, KRegister src);
1197   void kmov(KRegister dst, Address src);
1198   void kmov(KRegister dst, KRegister src);
1199   void kmov(Register dst, KRegister src);
1200   void kmov(KRegister dst, Register src);
1201 
1202   using Assembler::movddup;
1203   void movddup(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1204 
1205   using Assembler::vmovddup;
1206   void vmovddup(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1207 
1208   // AVX Unaligned forms
1209   void vmovdqu(Address     dst, XMMRegister    src);
1210   void vmovdqu(XMMRegister dst, Address        src);
1211   void vmovdqu(XMMRegister dst, XMMRegister    src);
1212   void vmovdqu(XMMRegister dst, AddressLiteral src,                 Register rscratch = noreg);
1213   void vmovdqu(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1214   void vmovdqu(XMMRegister dst, XMMRegister    src, int vector_len);
1215   void vmovdqu(XMMRegister dst, Address        src, int vector_len);
1216   void vmovdqu(Address     dst, XMMRegister    src, int vector_len);
1217 
1218   // AVX Aligned forms
1219   using Assembler::vmovdqa;
1220   void vmovdqa(XMMRegister dst, AddressLiteral src,                 Register rscratch = noreg);
1221   void vmovdqa(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1222   void vmovdqa(XMMRegister dst, Address        src, int vector_len);
1223   void vmovdqa(Address     dst, XMMRegister    src, int vector_len);
1224 
1225   // AVX512 Unaligned
1226   void evmovdqu(BasicType type, KRegister kmask, Address     dst, XMMRegister src, bool merge, int vector_len);
1227   void evmovdqu(BasicType type, KRegister kmask, XMMRegister dst, Address     src, bool merge, int vector_len);
1228   void evmovdqu(BasicType type, KRegister kmask, XMMRegister dst, XMMRegister src, bool merge, int vector_len);
1229 
1230   void evmovdqub(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::evmovdqub(dst, src, vector_len); }
1231   void evmovdqub(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdqub(dst, src, vector_len); }
1232 
1233   void evmovdqub(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1234     if (dst->encoding() != src->encoding() || mask != k0)  {
1235       Assembler::evmovdqub(dst, mask, src, merge, vector_len);
1236     }
1237   }
1238   void evmovdqub(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdqub(dst, mask, src, merge, vector_len); }
1239   void evmovdqub(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdqub(dst, mask, src, merge, vector_len); }
1240   void evmovdqub(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1241 
1242   void evmovdquw(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1243   void evmovdquw(Address     dst, XMMRegister src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1244   void evmovdquw(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1245 
1246   void evmovdquw(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1247     if (dst->encoding() != src->encoding() || mask != k0) {
1248       Assembler::evmovdquw(dst, mask, src, merge, vector_len);
1249     }
1250   }
1251   void evmovdquw(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdquw(dst, mask, src, merge, vector_len); }
1252   void evmovdquw(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdquw(dst, mask, src, merge, vector_len); }
1253   void evmovdquw(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1254 
1255   void evmovdqul(XMMRegister dst, XMMRegister src, int vector_len) {
1256      if (dst->encoding() != src->encoding()) {
1257        Assembler::evmovdqul(dst, src, vector_len);
1258      }
1259   }
1260   void evmovdqul(Address     dst, XMMRegister src, int vector_len) { Assembler::evmovdqul(dst, src, vector_len); }
1261   void evmovdqul(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdqul(dst, src, vector_len); }
1262 
1263   void evmovdqul(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1264     if (dst->encoding() != src->encoding() || mask != k0)  {
1265       Assembler::evmovdqul(dst, mask, src, merge, vector_len);
1266     }
1267   }
1268   void evmovdqul(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdqul(dst, mask, src, merge, vector_len); }
1269   void evmovdqul(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdqul(dst, mask, src, merge, vector_len); }
1270   void evmovdqul(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1271 
1272   void evmovdquq(XMMRegister dst, XMMRegister src, int vector_len) {
1273     if (dst->encoding() != src->encoding()) {
1274       Assembler::evmovdquq(dst, src, vector_len);
1275     }
1276   }
1277   void evmovdquq(XMMRegister dst, Address        src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1278   void evmovdquq(Address     dst, XMMRegister    src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1279   void evmovdquq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1280   void evmovdqaq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1281 
1282   void evmovdquq(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1283     if (dst->encoding() != src->encoding() || mask != k0) {
1284       Assembler::evmovdquq(dst, mask, src, merge, vector_len);
1285     }
1286   }
1287   void evmovdquq(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdquq(dst, mask, src, merge, vector_len); }
1288   void evmovdquq(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdquq(dst, mask, src, merge, vector_len); }
1289   void evmovdquq(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1290   void evmovdqaq(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1291 
1292   using Assembler::movapd;
1293   void movapd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1294 
1295   // Move Aligned Double Quadword
1296   void movdqa(XMMRegister dst, XMMRegister    src) { Assembler::movdqa(dst, src); }
1297   void movdqa(XMMRegister dst, Address        src) { Assembler::movdqa(dst, src); }
1298   void movdqa(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1299 
1300   void movsd(Address     dst, XMMRegister    src) { Assembler::movsd(dst, src); }
1301   void movsd(XMMRegister dst, XMMRegister    src) { Assembler::movsd(dst, src); }
1302   void movsd(XMMRegister dst, Address        src) { Assembler::movsd(dst, src); }
1303   void movsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1304 
1305   void mulpd(XMMRegister dst, XMMRegister    src) { Assembler::mulpd(dst, src); }
1306   void mulpd(XMMRegister dst, Address        src) { Assembler::mulpd(dst, src); }
1307   void mulpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1308 
1309   void mulsd(XMMRegister dst, XMMRegister    src) { Assembler::mulsd(dst, src); }
1310   void mulsd(XMMRegister dst, Address        src) { Assembler::mulsd(dst, src); }
1311   void mulsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1312 
1313   void mulss(XMMRegister dst, XMMRegister    src) { Assembler::mulss(dst, src); }
1314   void mulss(XMMRegister dst, Address        src) { Assembler::mulss(dst, src); }
1315   void mulss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1316 
1317   // Carry-Less Multiplication Quadword
1318   void pclmulldq(XMMRegister dst, XMMRegister src) {
1319     // 0x00 - multiply lower 64 bits [0:63]
1320     Assembler::pclmulqdq(dst, src, 0x00);
1321   }
1322   void pclmulhdq(XMMRegister dst, XMMRegister src) {
1323     // 0x11 - multiply upper 64 bits [64:127]
1324     Assembler::pclmulqdq(dst, src, 0x11);
1325   }
1326 
1327   void pcmpeqb(XMMRegister dst, XMMRegister src);
1328   void pcmpeqw(XMMRegister dst, XMMRegister src);
1329 
1330   void pcmpestri(XMMRegister dst, Address src, int imm8);
1331   void pcmpestri(XMMRegister dst, XMMRegister src, int imm8);
1332 
1333   void pmovzxbw(XMMRegister dst, XMMRegister src);
1334   void pmovzxbw(XMMRegister dst, Address src);
1335 
1336   void pmovmskb(Register dst, XMMRegister src);
1337 
1338   void ptest(XMMRegister dst, XMMRegister src);
1339 
1340   void roundsd(XMMRegister dst, XMMRegister    src, int32_t rmode) { Assembler::roundsd(dst, src, rmode); }
1341   void roundsd(XMMRegister dst, Address        src, int32_t rmode) { Assembler::roundsd(dst, src, rmode); }
1342   void roundsd(XMMRegister dst, AddressLiteral src, int32_t rmode, Register rscratch = noreg);
1343 
1344   void sqrtss(XMMRegister dst, XMMRegister     src) { Assembler::sqrtss(dst, src); }
1345   void sqrtss(XMMRegister dst, Address         src) { Assembler::sqrtss(dst, src); }
1346   void sqrtss(XMMRegister dst, AddressLiteral  src, Register rscratch = noreg);
1347 
1348   void subsd(XMMRegister dst, XMMRegister    src) { Assembler::subsd(dst, src); }
1349   void subsd(XMMRegister dst, Address        src) { Assembler::subsd(dst, src); }
1350   void subsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1351 
1352   void subss(XMMRegister dst, XMMRegister    src) { Assembler::subss(dst, src); }
1353   void subss(XMMRegister dst, Address        src) { Assembler::subss(dst, src); }
1354   void subss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1355 
1356   void evucomish(XMMRegister dst, XMMRegister    src) { Assembler::evucomish(dst, src); }
1357   void evucomish(XMMRegister dst, Address        src) { Assembler::evucomish(dst, src); }
1358   void evucomish(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1359 
1360   void evucomxsh(XMMRegister dst, XMMRegister    src) { Assembler::evucomxsh(dst, src); }
1361   void evucomxsh(XMMRegister dst, Address        src) { Assembler::evucomxsh(dst, src); }
1362   void evucomxsh(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1363 
1364   void ucomiss(XMMRegister dst, XMMRegister    src) { Assembler::ucomiss(dst, src); }
1365   void ucomiss(XMMRegister dst, Address        src) { Assembler::ucomiss(dst, src); }
1366   void ucomiss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1367 
1368   void evucomxss(XMMRegister dst, XMMRegister    src) { Assembler::evucomxss(dst, src); }
1369   void evucomxss(XMMRegister dst, Address        src) { Assembler::evucomxss(dst, src); }
1370   void evucomxss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1371 
1372   void ucomisd(XMMRegister dst, XMMRegister    src) { Assembler::ucomisd(dst, src); }
1373   void ucomisd(XMMRegister dst, Address        src) { Assembler::ucomisd(dst, src); }
1374   void ucomisd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1375 
1376   void evucomxsd(XMMRegister dst, XMMRegister    src) { Assembler::evucomxsd(dst, src); }
1377   void evucomxsd(XMMRegister dst, Address        src) { Assembler::evucomxsd(dst, src); }
1378   void evucomxsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1379 
1380   // Bitwise Logical XOR of Packed Double-Precision Floating-Point Values
1381   void xorpd(XMMRegister dst, XMMRegister    src);
1382   void xorpd(XMMRegister dst, Address        src) { Assembler::xorpd(dst, src); }
1383   void xorpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1384 
1385   // Bitwise Logical XOR of Packed Single-Precision Floating-Point Values
1386   void xorps(XMMRegister dst, XMMRegister    src);
1387   void xorps(XMMRegister dst, Address        src) { Assembler::xorps(dst, src); }
1388   void xorps(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1389 
1390   // Shuffle Bytes
1391   void pshufb(XMMRegister dst, XMMRegister    src) { Assembler::pshufb(dst, src); }
1392   void pshufb(XMMRegister dst, Address        src) { Assembler::pshufb(dst, src); }
1393   void pshufb(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1394   // AVX 3-operands instructions
1395 
1396   void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vaddsd(dst, nds, src); }
1397   void vaddsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vaddsd(dst, nds, src); }
1398   void vaddsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1399 
1400   void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vaddss(dst, nds, src); }
1401   void vaddss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vaddss(dst, nds, src); }
1402   void vaddss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1403 
1404   void vabsss(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len, Register rscratch = noreg);
1405   void vabssd(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len, Register rscratch = noreg);
1406 
1407   void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len);
1408   void vpaddb(XMMRegister dst, XMMRegister nds, Address        src, int vector_len);
1409   void vpaddb(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1410 
1411   void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1412   void vpaddw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1413 
1414   void vpaddd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpaddd(dst, nds, src, vector_len); }
1415   void vpaddd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpaddd(dst, nds, src, vector_len); }
1416   void vpaddd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1417 
1418   void vpand(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1419   void vpand(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1420   void vpand(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1421 
1422   using Assembler::vpbroadcastd;
1423   void vpbroadcastd(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1424 
1425   using Assembler::vpbroadcastq;
1426   void vpbroadcastq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1427 
1428   void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1429   void vpcmpeqb(XMMRegister dst, XMMRegister src1, Address src2, int vector_len);
1430 
1431   void vpcmpeqw(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1432   void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1433   using Assembler::evpcmpeqd;
1434   void evpcmpeqd(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1435 
1436   // Vector compares
1437   void evpcmpd(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1438     Assembler::evpcmpd(kdst, mask, nds, src, comparison, is_signed, vector_len);
1439   }
1440   void evpcmpd(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1441 
1442   void evpcmpq(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1443     Assembler::evpcmpq(kdst, mask, nds, src, comparison, is_signed, vector_len);
1444   }
1445   void evpcmpq(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1446 
1447   void evpcmpb(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1448     Assembler::evpcmpb(kdst, mask, nds, src, comparison, is_signed, vector_len);
1449   }
1450   void evpcmpb(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1451 
1452   void evpcmpw(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1453     Assembler::evpcmpw(kdst, mask, nds, src, comparison, is_signed, vector_len);
1454   }
1455   void evpcmpw(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1456 
1457   void evpbroadcast(BasicType type, XMMRegister dst, Register src, int vector_len);
1458 
1459   // Emit comparison instruction for the specified comparison predicate.
1460   void vpcmpCCW(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister xtmp, ComparisonPredicate cond, Width width, int vector_len);
1461   void vpcmpCC(XMMRegister dst, XMMRegister nds, XMMRegister src, int cond_encoding, Width width, int vector_len);
1462 
1463   void vpmovzxbw(XMMRegister dst, Address     src, int vector_len);
1464   void vpmovzxbw(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::vpmovzxbw(dst, src, vector_len); }
1465 
1466   void vpmovmskb(Register dst, XMMRegister src, int vector_len = Assembler::AVX_256bit);
1467 
1468   void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1469   void vpmullw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1470 
1471   void vpmulld(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpmulld(dst, nds, src, vector_len); }
1472   void vpmulld(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpmulld(dst, nds, src, vector_len); }
1473   void vpmulld(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1474 
1475   void vpmuldq(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpmuldq(dst, nds, src, vector_len); }
1476 
1477   void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1478   void vpsubb(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1479 
1480   void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1481   void vpsubw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1482 
1483   void vpsraw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1484   void vpsraw(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1485 
1486   void evpsrad(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1487   void evpsrad(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1488 
1489   void evpsraq(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1490   void evpsraq(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1491 
1492   using Assembler::evpsllw;
1493   void evpsllw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1494     if (!is_varshift) {
1495       Assembler::evpsllw(dst, mask, nds, src, merge, vector_len);
1496     } else {
1497       Assembler::evpsllvw(dst, mask, nds, src, merge, vector_len);
1498     }
1499   }
1500   void evpslld(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1501     if (!is_varshift) {
1502       Assembler::evpslld(dst, mask, nds, src, merge, vector_len);
1503     } else {
1504       Assembler::evpsllvd(dst, mask, nds, src, merge, vector_len);
1505     }
1506   }
1507   void evpsllq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1508     if (!is_varshift) {
1509       Assembler::evpsllq(dst, mask, nds, src, merge, vector_len);
1510     } else {
1511       Assembler::evpsllvq(dst, mask, nds, src, merge, vector_len);
1512     }
1513   }
1514   void evpsrlw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1515     if (!is_varshift) {
1516       Assembler::evpsrlw(dst, mask, nds, src, merge, vector_len);
1517     } else {
1518       Assembler::evpsrlvw(dst, mask, nds, src, merge, vector_len);
1519     }
1520   }
1521   void evpsrld(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1522     if (!is_varshift) {
1523       Assembler::evpsrld(dst, mask, nds, src, merge, vector_len);
1524     } else {
1525       Assembler::evpsrlvd(dst, mask, nds, src, merge, vector_len);
1526     }
1527   }
1528 
1529   using Assembler::evpsrlq;
1530   void evpsrlq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1531     if (!is_varshift) {
1532       Assembler::evpsrlq(dst, mask, nds, src, merge, vector_len);
1533     } else {
1534       Assembler::evpsrlvq(dst, mask, nds, src, merge, vector_len);
1535     }
1536   }
1537   using Assembler::evpsraw;
1538   void evpsraw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1539     if (!is_varshift) {
1540       Assembler::evpsraw(dst, mask, nds, src, merge, vector_len);
1541     } else {
1542       Assembler::evpsravw(dst, mask, nds, src, merge, vector_len);
1543     }
1544   }
1545   using Assembler::evpsrad;
1546   void evpsrad(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1547     if (!is_varshift) {
1548       Assembler::evpsrad(dst, mask, nds, src, merge, vector_len);
1549     } else {
1550       Assembler::evpsravd(dst, mask, nds, src, merge, vector_len);
1551     }
1552   }
1553   using Assembler::evpsraq;
1554   void evpsraq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1555     if (!is_varshift) {
1556       Assembler::evpsraq(dst, mask, nds, src, merge, vector_len);
1557     } else {
1558       Assembler::evpsravq(dst, mask, nds, src, merge, vector_len);
1559     }
1560   }
1561 
1562   void evpmins(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1563   void evpmaxs(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1564   void evpmins(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1565   void evpmaxs(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1566 
1567   void evpminu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1568   void evpmaxu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1569   void evpminu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1570   void evpmaxu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1571 
1572   void vpsrlw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1573   void vpsrlw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1574 
1575   void vpsllw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1576   void vpsllw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1577 
1578   void vptest(XMMRegister dst, XMMRegister src);
1579   void vptest(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::vptest(dst, src, vector_len); }
1580 
1581   void punpcklbw(XMMRegister dst, XMMRegister src);
1582   void punpcklbw(XMMRegister dst, Address src) { Assembler::punpcklbw(dst, src); }
1583 
1584   void pshufd(XMMRegister dst, Address src, int mode);
1585   void pshufd(XMMRegister dst, XMMRegister src, int mode) { Assembler::pshufd(dst, src, mode); }
1586 
1587   void pshuflw(XMMRegister dst, XMMRegister src, int mode);
1588   void pshuflw(XMMRegister dst, Address src, int mode) { Assembler::pshuflw(dst, src, mode); }
1589 
1590   void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1591   void vandpd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1592   void vandpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1593 
1594   void vandps(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1595   void vandps(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1596   void vandps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1597 
1598   void evpord(XMMRegister dst, KRegister mask, XMMRegister nds, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1599 
1600   void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vdivsd(dst, nds, src); }
1601   void vdivsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vdivsd(dst, nds, src); }
1602   void vdivsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1603 
1604   void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vdivss(dst, nds, src); }
1605   void vdivss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vdivss(dst, nds, src); }
1606   void vdivss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1607 
1608   void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vmulsd(dst, nds, src); }
1609   void vmulsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vmulsd(dst, nds, src); }
1610   void vmulsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1611 
1612   void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vmulss(dst, nds, src); }
1613   void vmulss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vmulss(dst, nds, src); }
1614   void vmulss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1615 
1616   void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vsubsd(dst, nds, src); }
1617   void vsubsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vsubsd(dst, nds, src); }
1618   void vsubsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1619 
1620   void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vsubss(dst, nds, src); }
1621   void vsubss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vsubss(dst, nds, src); }
1622   void vsubss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1623 
1624   void vnegatess(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1625   void vnegatesd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1626 
1627   // AVX Vector instructions
1628 
1629   void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1630   void vxorpd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1631   void vxorpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1632 
1633   void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1634   void vxorps(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1635   void vxorps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1636 
1637   void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1638     if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1639       Assembler::vpxor(dst, nds, src, vector_len);
1640     else
1641       Assembler::vxorpd(dst, nds, src, vector_len);
1642   }
1643   void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len) {
1644     if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1645       Assembler::vpxor(dst, nds, src, vector_len);
1646     else
1647       Assembler::vxorpd(dst, nds, src, vector_len);
1648   }
1649   void vpxor(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1650 
1651   // Simple version for AVX2 256bit vectors
1652   void vpxor(XMMRegister dst, XMMRegister src) {
1653     assert(UseAVX >= 2, "Should be at least AVX2");
1654     Assembler::vpxor(dst, dst, src, AVX_256bit);
1655   }
1656   void vpxor(XMMRegister dst, Address src) {
1657     assert(UseAVX >= 2, "Should be at least AVX2");
1658     Assembler::vpxor(dst, dst, src, AVX_256bit);
1659   }
1660 
1661   void vpermd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpermd(dst, nds, src, vector_len); }
1662   void vpermd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1663 
1664   void vinserti128(XMMRegister dst, XMMRegister nds, XMMRegister src, uint8_t imm8) {
1665     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1666       Assembler::vinserti32x4(dst, nds, src, imm8);
1667     } else if (UseAVX > 1) {
1668       // vinserti128 is available only in AVX2
1669       Assembler::vinserti128(dst, nds, src, imm8);
1670     } else {
1671       Assembler::vinsertf128(dst, nds, src, imm8);
1672     }
1673   }
1674 
1675   void vinserti128(XMMRegister dst, XMMRegister nds, Address src, uint8_t imm8) {
1676     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1677       Assembler::vinserti32x4(dst, nds, src, imm8);
1678     } else if (UseAVX > 1) {
1679       // vinserti128 is available only in AVX2
1680       Assembler::vinserti128(dst, nds, src, imm8);
1681     } else {
1682       Assembler::vinsertf128(dst, nds, src, imm8);
1683     }
1684   }
1685 
1686   void vextracti128(XMMRegister dst, XMMRegister src, uint8_t imm8) {
1687     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1688       Assembler::vextracti32x4(dst, src, imm8);
1689     } else if (UseAVX > 1) {
1690       // vextracti128 is available only in AVX2
1691       Assembler::vextracti128(dst, src, imm8);
1692     } else {
1693       Assembler::vextractf128(dst, src, imm8);
1694     }
1695   }
1696 
1697   void vextracti128(Address dst, XMMRegister src, uint8_t imm8) {
1698     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1699       Assembler::vextracti32x4(dst, src, imm8);
1700     } else if (UseAVX > 1) {
1701       // vextracti128 is available only in AVX2
1702       Assembler::vextracti128(dst, src, imm8);
1703     } else {
1704       Assembler::vextractf128(dst, src, imm8);
1705     }
1706   }
1707 
1708   // 128bit copy to/from high 128 bits of 256bit (YMM) vector registers
1709   void vinserti128_high(XMMRegister dst, XMMRegister src) {
1710     vinserti128(dst, dst, src, 1);
1711   }
1712   void vinserti128_high(XMMRegister dst, Address src) {
1713     vinserti128(dst, dst, src, 1);
1714   }
1715   void vextracti128_high(XMMRegister dst, XMMRegister src) {
1716     vextracti128(dst, src, 1);
1717   }
1718   void vextracti128_high(Address dst, XMMRegister src) {
1719     vextracti128(dst, src, 1);
1720   }
1721 
1722   void vinsertf128_high(XMMRegister dst, XMMRegister src) {
1723     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1724       Assembler::vinsertf32x4(dst, dst, src, 1);
1725     } else {
1726       Assembler::vinsertf128(dst, dst, src, 1);
1727     }
1728   }
1729 
1730   void vinsertf128_high(XMMRegister dst, Address src) {
1731     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1732       Assembler::vinsertf32x4(dst, dst, src, 1);
1733     } else {
1734       Assembler::vinsertf128(dst, dst, src, 1);
1735     }
1736   }
1737 
1738   void vextractf128_high(XMMRegister dst, XMMRegister src) {
1739     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1740       Assembler::vextractf32x4(dst, src, 1);
1741     } else {
1742       Assembler::vextractf128(dst, src, 1);
1743     }
1744   }
1745 
1746   void vextractf128_high(Address dst, XMMRegister src) {
1747     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1748       Assembler::vextractf32x4(dst, src, 1);
1749     } else {
1750       Assembler::vextractf128(dst, src, 1);
1751     }
1752   }
1753 
1754   // 256bit copy to/from high 256 bits of 512bit (ZMM) vector registers
1755   void vinserti64x4_high(XMMRegister dst, XMMRegister src) {
1756     Assembler::vinserti64x4(dst, dst, src, 1);
1757   }
1758   void vinsertf64x4_high(XMMRegister dst, XMMRegister src) {
1759     Assembler::vinsertf64x4(dst, dst, src, 1);
1760   }
1761   void vextracti64x4_high(XMMRegister dst, XMMRegister src) {
1762     Assembler::vextracti64x4(dst, src, 1);
1763   }
1764   void vextractf64x4_high(XMMRegister dst, XMMRegister src) {
1765     Assembler::vextractf64x4(dst, src, 1);
1766   }
1767   void vextractf64x4_high(Address dst, XMMRegister src) {
1768     Assembler::vextractf64x4(dst, src, 1);
1769   }
1770   void vinsertf64x4_high(XMMRegister dst, Address src) {
1771     Assembler::vinsertf64x4(dst, dst, src, 1);
1772   }
1773 
1774   // 128bit copy to/from low 128 bits of 256bit (YMM) vector registers
1775   void vinserti128_low(XMMRegister dst, XMMRegister src) {
1776     vinserti128(dst, dst, src, 0);
1777   }
1778   void vinserti128_low(XMMRegister dst, Address src) {
1779     vinserti128(dst, dst, src, 0);
1780   }
1781   void vextracti128_low(XMMRegister dst, XMMRegister src) {
1782     vextracti128(dst, src, 0);
1783   }
1784   void vextracti128_low(Address dst, XMMRegister src) {
1785     vextracti128(dst, src, 0);
1786   }
1787 
1788   void vinsertf128_low(XMMRegister dst, XMMRegister src) {
1789     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1790       Assembler::vinsertf32x4(dst, dst, src, 0);
1791     } else {
1792       Assembler::vinsertf128(dst, dst, src, 0);
1793     }
1794   }
1795 
1796   void vinsertf128_low(XMMRegister dst, Address src) {
1797     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1798       Assembler::vinsertf32x4(dst, dst, src, 0);
1799     } else {
1800       Assembler::vinsertf128(dst, dst, src, 0);
1801     }
1802   }
1803 
1804   void vextractf128_low(XMMRegister dst, XMMRegister src) {
1805     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1806       Assembler::vextractf32x4(dst, src, 0);
1807     } else {
1808       Assembler::vextractf128(dst, src, 0);
1809     }
1810   }
1811 
1812   void vextractf128_low(Address dst, XMMRegister src) {
1813     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1814       Assembler::vextractf32x4(dst, src, 0);
1815     } else {
1816       Assembler::vextractf128(dst, src, 0);
1817     }
1818   }
1819 
1820   // 256bit copy to/from low 256 bits of 512bit (ZMM) vector registers
1821   void vinserti64x4_low(XMMRegister dst, XMMRegister src) {
1822     Assembler::vinserti64x4(dst, dst, src, 0);
1823   }
1824   void vinsertf64x4_low(XMMRegister dst, XMMRegister src) {
1825     Assembler::vinsertf64x4(dst, dst, src, 0);
1826   }
1827   void vextracti64x4_low(XMMRegister dst, XMMRegister src) {
1828     Assembler::vextracti64x4(dst, src, 0);
1829   }
1830   void vextractf64x4_low(XMMRegister dst, XMMRegister src) {
1831     Assembler::vextractf64x4(dst, src, 0);
1832   }
1833   void vextractf64x4_low(Address dst, XMMRegister src) {
1834     Assembler::vextractf64x4(dst, src, 0);
1835   }
1836   void vinsertf64x4_low(XMMRegister dst, Address src) {
1837     Assembler::vinsertf64x4(dst, dst, src, 0);
1838   }
1839 
1840   // Carry-Less Multiplication Quadword
1841   void vpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1842     // 0x00 - multiply lower 64 bits [0:63]
1843     Assembler::vpclmulqdq(dst, nds, src, 0x00);
1844   }
1845   void vpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1846     // 0x11 - multiply upper 64 bits [64:127]
1847     Assembler::vpclmulqdq(dst, nds, src, 0x11);
1848   }
1849   void vpclmullqhqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1850     // 0x10 - multiply nds[0:63] and src[64:127]
1851     Assembler::vpclmulqdq(dst, nds, src, 0x10);
1852   }
1853   void vpclmulhqlqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1854     //0x01 - multiply nds[64:127] and src[0:63]
1855     Assembler::vpclmulqdq(dst, nds, src, 0x01);
1856   }
1857 
1858   void evpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1859     // 0x00 - multiply lower 64 bits [0:63]
1860     Assembler::evpclmulqdq(dst, nds, src, 0x00, vector_len);
1861   }
1862   void evpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1863     // 0x11 - multiply upper 64 bits [64:127]
1864     Assembler::evpclmulqdq(dst, nds, src, 0x11, vector_len);
1865   }
1866 
1867   // AVX-512 mask operations.
1868   void kand(BasicType etype, KRegister dst, KRegister src1, KRegister src2);
1869   void kor(BasicType type, KRegister dst, KRegister src1, KRegister src2);
1870   void knot(uint masklen, KRegister dst, KRegister src, KRegister ktmp = knoreg, Register rtmp = noreg);
1871   void kxor(BasicType type, KRegister dst, KRegister src1, KRegister src2);
1872   void kortest(uint masklen, KRegister src1, KRegister src2);
1873   void ktest(uint masklen, KRegister src1, KRegister src2);
1874 
1875   void evperm(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1876   void evperm(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1877 
1878   void evor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1879   void evor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1880 
1881   void evand(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1882   void evand(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1883 
1884   void evxor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1885   void evxor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1886 
1887   void evrold(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src, int shift, bool merge, int vlen_enc);
1888   void evrold(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src1, XMMRegister src2, bool merge, int vlen_enc);
1889   void evrord(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src, int shift, bool merge, int vlen_enc);
1890   void evrord(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src1, XMMRegister src2, bool merge, int vlen_enc);
1891 
1892   using Assembler::evpandq;
1893   void evpandq(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1894 
1895   using Assembler::evpaddq;
1896   void evpaddq(XMMRegister dst, KRegister mask, XMMRegister nds, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1897 
1898   using Assembler::evporq;
1899   void evporq(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1900 
1901   using Assembler::vpshufb;
1902   void vpshufb(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1903 
1904   using Assembler::vpor;
1905   void vpor(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1906 
1907   using Assembler::vpternlogq;
1908   void vpternlogq(XMMRegister dst, int imm8, XMMRegister src2, AddressLiteral src3, int vector_len, Register rscratch = noreg);
1909 
1910   void cmov32( Condition cc, Register dst, Address  src);
1911   void cmov32( Condition cc, Register dst, Register src);
1912 
1913   void cmov(   Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); }
1914 
1915   void cmovptr(Condition cc, Register dst, Address  src) { cmovq(cc, dst, src); }
1916   void cmovptr(Condition cc, Register dst, Register src) { cmovq(cc, dst, src); }
1917 
1918   void movoop(Register dst, jobject obj);
1919   void movoop(Address  dst, jobject obj, Register rscratch);
1920 
1921   void mov_metadata(Register dst, Metadata* obj);
1922   void mov_metadata(Address  dst, Metadata* obj, Register rscratch);
1923 
1924   void mov64(Register dst, int64_t imm64);
1925   void mov64(Register dst, int64_t imm64, relocInfo::relocType rtype, int format);
1926 
1927   void movptr(Register     dst, Register       src);
1928   void movptr(Register     dst, Address        src);
1929   void movptr(Register     dst, AddressLiteral src);
1930   void movptr(Register     dst, ArrayAddress   src);
1931   void movptr(Register     dst, intptr_t       src);
1932   void movptr(Address      dst, Register       src);
1933   void movptr(Address      dst, int32_t        imm);
1934   void movptr(Address      dst, intptr_t       src, Register rscratch);
1935   void movptr(ArrayAddress dst, Register       src, Register rscratch);
1936 
1937   void movptr(Register dst, RegisterOrConstant src) {
1938     if (src.is_constant()) movptr(dst, src.as_constant());
1939     else                   movptr(dst, src.as_register());
1940   }
1941 
1942 
1943   // to avoid hiding movl
1944   void mov32(Register       dst, AddressLiteral src);
1945   void mov32(AddressLiteral dst, Register        src, Register rscratch = noreg);
1946 
1947   // Import other mov() methods from the parent class or else
1948   // they will be hidden by the following overriding declaration.
1949   using Assembler::movdl;
1950   void movdl(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1951 
1952   using Assembler::movq;
1953   void movq(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1954 
1955   // Can push value or effective address
1956   void pushptr(AddressLiteral src, Register rscratch);
1957 
1958   void pushptr(Address src) { pushq(src); }
1959   void popptr(Address src) { popq(src); }
1960 
1961   void pushoop(jobject obj, Register rscratch);
1962   void pushklass(Metadata* obj, Register rscratch);
1963 
1964   // sign extend as need a l to ptr sized element
1965   void movl2ptr(Register dst, Address src) { movslq(dst, src); }
1966   void movl2ptr(Register dst, Register src) { movslq(dst, src); }
1967 
1968 
1969  public:
1970   // Inline type specific methods
1971   #include "asm/macroAssembler_common.hpp"
1972 
1973   // clear memory of size 'cnt' qwords, starting at 'base';
1974   // if 'is_large' is set, do not try to produce short loop
1975   void clear_mem(Register base, Register cnt, Register val, XMMRegister xtmp, bool is_large, bool word_copy_only, KRegister mask=knoreg);
1976 
1977   // clear memory initialization sequence for constant size;
1978   void clear_mem(Register base, int cnt, Register rtmp, XMMRegister xtmp, KRegister mask=knoreg);
1979 
1980   // clear memory of size 'cnt' qwords, starting at 'base' using XMM/YMM registers
1981   void xmm_clear_mem(Register base, Register cnt, Register rtmp, XMMRegister xtmp, KRegister mask=knoreg);
1982 
1983   // Fill primitive arrays
1984   void generate_fill(BasicType t, bool aligned,
1985                      Register to, Register value, Register count,
1986                      Register rtmp, XMMRegister xtmp);
1987 
1988   void encode_iso_array(Register src, Register dst, Register len,
1989                         XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
1990                         XMMRegister tmp4, Register tmp5, Register result, bool ascii);
1991 
1992   void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2);
1993   void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart,
1994                              Register y, Register y_idx, Register z,
1995                              Register carry, Register product,
1996                              Register idx, Register kdx);
1997   void multiply_add_128_x_128(Register x_xstart, Register y, Register z,
1998                               Register yz_idx, Register idx,
1999                               Register carry, Register product, int offset);
2000   void multiply_128_x_128_bmi2_loop(Register y, Register z,
2001                                     Register carry, Register carry2,
2002                                     Register idx, Register jdx,
2003                                     Register yz_idx1, Register yz_idx2,
2004                                     Register tmp, Register tmp3, Register tmp4);
2005   void multiply_128_x_128_loop(Register x_xstart, Register y, Register z,
2006                                Register yz_idx, Register idx, Register jdx,
2007                                Register carry, Register product,
2008                                Register carry2);
2009   void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z, Register tmp0,
2010                        Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5);
2011   void square_rshift(Register x, Register len, Register z, Register tmp1, Register tmp3,
2012                      Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
2013   void multiply_add_64_bmi2(Register sum, Register op1, Register op2, Register carry,
2014                             Register tmp2);
2015   void multiply_add_64(Register sum, Register op1, Register op2, Register carry,
2016                        Register rdxReg, Register raxReg);
2017   void add_one_64(Register z, Register zlen, Register carry, Register tmp1);
2018   void lshift_by_1(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
2019                        Register tmp3, Register tmp4);
2020   void square_to_len(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
2021                      Register tmp3, Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
2022 
2023   void mul_add_128_x_32_loop(Register out, Register in, Register offset, Register len, Register tmp1,
2024                Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
2025                Register raxReg);
2026   void mul_add(Register out, Register in, Register offset, Register len, Register k, Register tmp1,
2027                Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
2028                Register raxReg);
2029   void vectorized_mismatch(Register obja, Register objb, Register length, Register log2_array_indxscale,
2030                            Register result, Register tmp1, Register tmp2,
2031                            XMMRegister vec1, XMMRegister vec2, XMMRegister vec3);
2032 
2033   // CRC32 code for java.util.zip.CRC32::updateBytes() intrinsic.
2034   void update_byte_crc32(Register crc, Register val, Register table);
2035   void kernel_crc32(Register crc, Register buf, Register len, Register table, Register tmp);
2036 
2037   void kernel_crc32_avx512(Register crc, Register buf, Register len, Register table, Register tmp1, Register tmp2);
2038   void kernel_crc32_avx512_256B(Register crc, Register buf, Register len, Register key, Register pos,
2039                                 Register tmp1, Register tmp2, Label& L_barrett, Label& L_16B_reduction_loop,
2040                                 Label& L_get_last_two_xmms, Label& L_128_done, Label& L_cleanup);
2041 
2042   // CRC32C code for java.util.zip.CRC32C::updateBytes() intrinsic
2043   // Note on a naming convention:
2044   // Prefix w = register only used on a Westmere+ architecture
2045   // Prefix n = register only used on a Nehalem architecture
2046   void crc32c_ipl_alg4(Register in_out, uint32_t n,
2047                        Register tmp1, Register tmp2, Register tmp3);
2048   void crc32c_pclmulqdq(XMMRegister w_xtmp1,
2049                         Register in_out,
2050                         uint32_t const_or_pre_comp_const_index, bool is_pclmulqdq_supported,
2051                         XMMRegister w_xtmp2,
2052                         Register tmp1,
2053                         Register n_tmp2, Register n_tmp3);
2054   void crc32c_rec_alt2(uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported, Register in_out, Register in1, Register in2,
2055                        XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2056                        Register tmp1, Register tmp2,
2057                        Register n_tmp3);
2058   void crc32c_proc_chunk(uint32_t size, uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported,
2059                          Register in_out1, Register in_out2, Register in_out3,
2060                          Register tmp1, Register tmp2, Register tmp3,
2061                          XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2062                          Register tmp4, Register tmp5,
2063                          Register n_tmp6);
2064   void crc32c_ipl_alg2_alt2(Register in_out, Register in1, Register in2,
2065                             Register tmp1, Register tmp2, Register tmp3,
2066                             Register tmp4, Register tmp5, Register tmp6,
2067                             XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2068                             bool is_pclmulqdq_supported);
2069   // Fold 128-bit data chunk
2070   void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset);
2071   void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, XMMRegister xbuf);
2072   // Fold 512-bit data chunk
2073   void fold512bit_crc32_avx512(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, Register pos, int offset);
2074   // Fold 8-bit data
2075   void fold_8bit_crc32(Register crc, Register table, Register tmp);
2076   void fold_8bit_crc32(XMMRegister crc, Register table, XMMRegister xtmp, Register tmp);
2077 
2078   // Compress char[] array to byte[].
2079   void char_array_compress(Register src, Register dst, Register len,
2080                            XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
2081                            XMMRegister tmp4, Register tmp5, Register result,
2082                            KRegister mask1 = knoreg, KRegister mask2 = knoreg);
2083 
2084   // Inflate byte[] array to char[].
2085   void byte_array_inflate(Register src, Register dst, Register len,
2086                           XMMRegister tmp1, Register tmp2, KRegister mask = knoreg);
2087 
2088   void fill_masked(BasicType bt, Address dst, XMMRegister xmm, KRegister mask,
2089                    Register length, Register temp, int vec_enc);
2090 
2091   void fill64_masked(uint shift, Register dst, int disp,
2092                          XMMRegister xmm, KRegister mask, Register length,
2093                          Register temp, bool use64byteVector = false);
2094 
2095   void fill32_masked(uint shift, Register dst, int disp,
2096                          XMMRegister xmm, KRegister mask, Register length,
2097                          Register temp);
2098 
2099   void fill32(Address dst, XMMRegister xmm);
2100 
2101   void fill32(Register dst, int disp, XMMRegister xmm);
2102 
2103   void fill64(Address dst, XMMRegister xmm, bool use64byteVector = false);
2104 
2105   void fill64(Register dst, int dis, XMMRegister xmm, bool use64byteVector = false);
2106 
2107   void convert_f2i(Register dst, XMMRegister src);
2108   void convert_d2i(Register dst, XMMRegister src);
2109   void convert_f2l(Register dst, XMMRegister src);
2110   void convert_d2l(Register dst, XMMRegister src);
2111   void round_double(Register dst, XMMRegister src, Register rtmp, Register rcx);
2112   void round_float(Register dst, XMMRegister src, Register rtmp, Register rcx);
2113 
2114   void cache_wb(Address line);
2115   void cache_wbsync(bool is_pre);
2116 
2117 #ifdef COMPILER2
2118   void generate_fill_avx3(BasicType type, Register to, Register value,
2119                           Register count, Register rtmp, XMMRegister xtmp);
2120 #endif // COMPILER2
2121 
2122   void vallones(XMMRegister dst, int vector_len);
2123 
2124   void check_stack_alignment(Register sp, const char* msg, unsigned bias = 0, Register tmp = noreg);
2125 
2126   void fast_lock(Register basic_lock, Register obj, Register reg_rax, Register tmp, Label& slow);
2127   void fast_unlock(Register obj, Register reg_rax, Register tmp, Label& slow);
2128 
2129   void save_legacy_gprs();
2130   void restore_legacy_gprs();
2131   void load_aotrc_address(Register reg, address a);
2132   void setcc(Assembler::Condition comparison, Register dst);
2133 };
2134 
2135 #endif // CPU_X86_MACROASSEMBLER_X86_HPP